RT Journal Article SR Electronic T1 Choose activity during Keep It Moving Challenge: APHA’s activity challenge part of National Public Health Week JF The Nation's Health JO Nations Health FD American Public Health Association SP 3 OP 3 VO 51 IS 1 A1 Mark Barna YR 2021 UL http://www.thenationshealth.org/content/51/1/3.3.abstract AB